General

  • Target

    3b117713fb73f1a6f2a44ac1087d78e3501e9c301aa4b69346dbc2b9664a24ce

  • Size

    548KB

  • Sample

    221021-b5h2cafce5

  • MD5

    7433061971233a4134cbac454a2f736c

  • SHA1

    2e2dc1d3f18df33b30d3d85633da142d48c51a84

  • SHA256

    3b117713fb73f1a6f2a44ac1087d78e3501e9c301aa4b69346dbc2b9664a24ce

  • SHA512

    3d26dc69dc7133c7f2ad0088fb6f077382543e52bf3193e7995058dfecb5a1f19906ac5cb3b9624760d5e74b7e30add055c1a269045b7f9d3d54cc0414502e4a

  • SSDEEP

    12288:WbEtWoMZfaFtuKo5qKMnLYuyqnzN+y1kz1LxCOAwst:yloUf+o5qJnV9+y1IXs

Score
10/10

Malware Config

Targets

    • Target

      3b117713fb73f1a6f2a44ac1087d78e3501e9c301aa4b69346dbc2b9664a24ce

    • Size

      548KB

    • MD5

      7433061971233a4134cbac454a2f736c

    • SHA1

      2e2dc1d3f18df33b30d3d85633da142d48c51a84

    • SHA256

      3b117713fb73f1a6f2a44ac1087d78e3501e9c301aa4b69346dbc2b9664a24ce

    • SHA512

      3d26dc69dc7133c7f2ad0088fb6f077382543e52bf3193e7995058dfecb5a1f19906ac5cb3b9624760d5e74b7e30add055c1a269045b7f9d3d54cc0414502e4a

    • SSDEEP

      12288:WbEtWoMZfaFtuKo5qKMnLYuyqnzN+y1kz1LxCOAwst:yloUf+o5qJnV9+y1IXs

    Score
    10/10
    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks